Your help was totally fine! Someone unlike me who wouldn´t obsessively check every possibilty beforehand would´ve had some very good help by your tips...

Oh, and thank you for mentioning the possibility of contacting Yamaha directly, I will try that. It'd be great if those two bugs could be remedied. 🙂

Thanks again for diving in this topic so deeply and even reading the manual... Of course I checked each and every function of the Reface CP global/...

Thank you for answering but my bug report is for the small Reface CP piano. I wish I had a bigger brother like CP88 or YC88 though of course. The l...